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A problem about DND in GEF TreeViewer [message #180548]

Sun, 08 May 2005 10:12

zhang wei

Messages: 84
Registered: July 2009

Member

Hi all,

I have implement TreeViewer(GEF) in my Editor,
and create a PaletteView(extends ViewPart) for my editor.

In PaletteView here are some Entry can add to my TreeViewer.
So the PaletteView just like GEF Logic Example Editor's Palette.

But when I select a Entry and move mouse to my TreeViewer,
I got the NO icon, can't add the entry to the TreeViewer.

What's wrong?
Have any hints?

Thanks.

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Re: A problem about DND in GEF TreeViewer [message #180583 is a reply to message #180548]

Mon, 09 May 2005 10:12

zhang wei

Messages: 84
Registered: July 2009

Member

wei zhang wrote:

> Hi all,

> I have implement TreeViewer(GEF) in my Editor,
> and create a PaletteView(extends ViewPart) for my editor.

> In PaletteView here are some Entry can add to my TreeViewer.
> So the PaletteView just like GEF Logic Example Editor's Palette.

> But when I select a Entry and move mouse to my TreeViewer,
> I got the NO icon, can't add the entry to the TreeViewer.

> What's wrong?
> Have any hints?

Well, I know what's wrong with it.
TreeContainerEditPolicy#getCreateCommand(CreateRequest) method must
return a command, but I return a null.
So I always got NO icon.

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